diff --git a/README.md b/README.md
index cf8544d49..156b03f01 100644
--- a/README.md
+++ b/README.md
@@ -22,8 +22,8 @@ GitHub Action for installing development tools (mainly from GitHub Releases).
 
 | Name     | Required | Description                             | Type    | Default |
 | -------- |:--------:| --------------------------------------- | ------- | ------- |
-| tool     | **true** | Tools to install (comma-separated list) | String  |         |
-| checksum | false    | Whether to enable checksums             | Boolean | `true`  |
+| tool     | **✓**    | Tools to install (comma-separated list) | String  |         |
+| checksum |          | Whether to enable checksums             | Boolean | `true`  |
 
 ### Example workflow